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java注册系统级别的快捷键（hotkey）(java registration system level shortcut (hotkey))

定义4个类，MyShape、MyLine、MyRectangle和MyOval，其中MyShape是其他三个类的父类。MyShape为抽象类，包括图形位置的四个坐标；一个无参的构造方法，将所有的坐标设置为0；一个带参的构造函数，将所有的坐标设置为相应值；每个坐标的设置和读取方法；abstract void draw(Graphics g)方法。MyLine类负责画直线，实现父类的draw方法；MyRectangle负责画矩形，实现父类的draw方法；MyOval负责画椭圆，实现父类的draw方法。编写一个应用程序，使用上面定义的类，随机选取位置和形状，绘制20个图形。(Defines four classes, MyShape, MyLine, MyRectangle and MyOval, which MyShape the other three parent class. MyShape is an abstract class, including graphics position four coordinates a no-argument constructor, all the coordinates are set to 0 a parameterized constructor, all the coordinates is set to the corresponding values each coordinate set and reading method abstract void draw (Graphics g) method. MyLine class is responsible for drawing straight lines, to achieve the draw method of the parent class MyRectangle responsible for drawing rectangles, to achieve the parent class draw method MyOval responsible painted oval, draw method to achieve the parent class. Write an application that uses the class defined above, randomly selected location and shape, draw 20 graphics.)

说明：  Sprint Getting Started Building a RESTful Web Service

基于Spring web+Hibernate一个在线书店系统。其中引入了Spring的web框架，Spring集成了Hibernate,JSTL标签库在其中得到很好的应用。 项目里有完整的代码和详细的文档说明以及系统移植说明书，帮助大家学习和理解。(Spring web+ Hibernate based on an online bookstore system. Which the introduction of Spring' s web framework, Spring integrates with Hibernate, JSTL tag library in which the application is well. Projects have a complete code and detailed documentation and system specification transplantation to help the U.S. study and understanding.)

一个有jsp和servlet开发的网络购物系统(A jsp and servlet development of online shopping system)

近220个JAVA初学者实例源码，很简单，易懂(JAVA beginner nearly 220 examples of source code, very simple, easy to understand)

webmail java unix programming(webmail java programming unix)

简单的员工管理系统，支持增删改查等功能，java+mysql实现(Simple employee management system to support CRUD functions, java+ mysql achieve)

mysql连接与读取，输入，输出，读写。(MYSQL JDBC)

这是一个简单的telnet协议简单实现，希望对大家有帮助。(telnet service，telnet service telnet service)